Capacity varies from 500 tons to 3500 tons in one room. Capacity of air supply: 200 - 250 m3/ton.
Storage temperature 0 C.
70% (low humidity)
Excess carbon dioxide must be removed. Index: no more than 3%
Year-round - with refrigeration equipment. Until April - with aeration system.
After having been put in storage, onions should be put though four operating steps: drying (the temperature should be 2-3C higher than the produce temperature), cooling and storing. Each step corresponds with a particular mode. Onions can be stored in both bulk and container storages.